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Itifaki ya Posta ya Ofisi (POP) inaelezwa kama itifaki ndani ya uwanja wa uunganishaji wa kompyuta na Mtandao, ambayo hutumiwa kwa ajili ya kutoa na kupata barua pepe kutoka kwenye seva ya barua pepe ya mbali, ikifanya iwezekane kwenye kifaa cha ndani. Iliyowekwa ndani ya safu ya maombi ya mfano wa OSI, itifaki hii inawezesha watumiaji kupata na kupokea barua pepe. Uendeshaji wa wateja wa POP kawaida unajumuisha kuanzisha uhusiano na seva ya barua pepe, kupakua ujumbe wote, kuhifadhi ujumbe huu kwa kifaa cha mteja kwa ndani, na kisha kuuondoa kutoka kwenye seva. Ingawa kuna matoleo matatu ya itifaki hii, POP3 inaonekana kuwa toleo linalotumiwa sana.
POP is a protocol used by email clients to retrieve emails from a mail server. During a penetration test, you can attempt to brute force POP credentials, conduct user enumeration, or even capture credentials by sniffing network traffic. Additionally, you can look for misconfigurations that may lead to unauthorized access to POP accounts.
root@kali:~# telnet $ip 110
+OK beta POP3 server (JAMES POP3 Server 2.3.2) ready
USER billydean
+OK
PASS password
+OK Welcome billydean
list
+OK 2 1807
1 786
2 1021
retr 1
+OK Message follows
From: jamesbrown@motown.com
Dear Billy Dean,
Here is your login for remote desktop ... try not to forget it this time!
username: billydean
password: PA$$W0RD!Z
Inawezesha kuingiza kumbukumbu zote za upelelezi wa uthibitishaji.
auth_debug_passwords
Mipangilio hii inabadilisha kina cha kuingiza kumbukumbu, nywila zilizowasilishwa, na mpango unapata kuingizwa.
auth_verbose
Kuingiza jaribio lisilofanikiwa la uthibitishaji na sababu zake.
auth_verbose_passwords
Nywila zilizotumiwa kwa uthibitishaji zinaingizwa na pia zinaweza kukatwa.
auth_anonymous_username
Hii inabainisha jina la mtumiaji litakalotumiwa wakati wa kuingia kwa kutumia mbinu ya ANONYMOUS SASL.
Kikundi cha Usalama cha Kujaribu Kwa Bidii
Amri za Kiotomatiki za HackTricks
Protocol_Name: POP #Protocol Abbreviation if there is one.
Port_Number: 110 #Comma separated if there is more than one.
Protocol_Description: Post Office Protocol #Protocol Abbreviation Spelled out
Entry_1:
Name: Notes
Description: Notes for POP
Note: |
Post Office Protocol (POP) is described as a protocol within the realm of computer networking and the Internet, which is utilized for the extraction and retrieval of email from a remote mail server**, making it accessible on the local device. Positioned within the application layer of the OSI model, this protocol enables users to fetch and receive email. The operation of POP clients typically involves establishing a connection to the mail server, downloading all messages, storing these messages locally on the client system, and subsequently removing them from the server. Although there are three iterations of this protocol, POP3 stands out as the most prevalently employed version.
https://book.hacktricks.xyz/network-services-pentesting/pentesting-pop
Entry_2:
Name: Banner Grab
Description: Banner Grab 110
Command: nc -nv {IP} 110
Entry_3:
Name: Banner Grab 995
Description: Grab Banner Secure
Command: openssl s_client -connect {IP}:995 -crlf -quiet
Entry_4:
Name: Nmap
Description: Scan for POP info
Command: nmap --script "pop3-capabilities or pop3-ntlm-info" -sV -p 110 {IP}
Entry_5:
Name: Hydra Brute Force
Description: Need User
Command: hydra -l {Username} -P {Big_Passwordlist} -f {IP} pop3 -V
Entry_6:
Name: consolesless mfs enumeration
Description: POP3 enumeration without the need to run msfconsole
Note: sourced from https://github.com/carlospolop/legion
Command: msfconsole -q -x 'use auxiliary/scanner/pop3/pop3_version; set RHOSTS {IP}; set RPORT 110; run; exit'
Je, unafanya kazi katika kampuni ya usalama wa mtandao? Unataka kuona kampuni yako ikitangazwa kwenye HackTricks? au unataka kupata upatikanaji wa toleo jipya la PEASS au kupakua HackTricks kwa PDF? Angalia MIPANGO YA KUJIUNGA!
